Table 2 Distribution (%; mean(sd)) of IHD and the confounders by category of non-HDL-C at baseline
Variable | Non-HDL-C category | |||||
|---|---|---|---|---|---|---|
Totals | Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | |
Number of women (%) | 6537 | 1304 (20.0) | 1306 (20.0) | 1302 (19.9) | 1309 (20.0) | 1316 (20.1) |
Number (%) of IHD | 551 (8.4) | 73(5.6) | 92(7.0) | 101 (7.8) | 133 (10.2) | 152 (11.6) |
Age, mean (years) | 56.4 (3.0) | 55.9 (2.9) | 56.2 (3.0) | 56.4 (3.0) | 56.6 (3.0) | 56.9 (3.1) |
Exercise | Â | Â | Â | Â | Â | Â |
Low (%) | 5.7 | 4.3 | 5.4 | 5.5 | 6.3 | 6.8 |
Medium (%) | 51.7 | 48.5 | 51.4 | 51.2 | 53.4 | 54.0 |
High (%) | 42.6 | 47.2 | 43.2 | 43.2 | 40.3 | 39.2 |
Smoking | ||||||
Non-smoker (%) | 59.3 | 62.9 | 59.4 | 61.7 | 58.2 | 54.2 |
Former smoker (%) | 20.0 | 21.8 | 19.8 | 20.0 | 20.6 | 18.1 |
Daily smoker (%) | 20.7 | 15.3 | 20.8 | 18.3 | 21.2 | 27.7 |
WHR | ||||||
Small (≤ 0.78) (%) | 55.0 | 67.9 | 63.6 | 54.2 | 49.1 | 40.2 |
Large (> 0.78) (%) | 45.0 | 32.1 | 36.4 | 45.8 | 50.9 | 59.8 |
Blood pressure | ||||||
SBP < 140 & DBP < 90 mmHg (%) | 52.3 | 61.1 | 57.5 | 51.6 | 48.6 | 42.6 |
SBP 140–149 or DBP 90–99 mmHg (%) | 27.0 | 22.9 | 23.7 | 27.7 | 29.3 | 31.5 |
SBP ≥ 150 or DBP ≥ 100 mmHg (%) | 20.7 | 16.0 | 18.8 | 20.7 | 22.1 | 25.9 |
Diabetes (self-reported) | ||||||
Yes (%) | 2.1 | 1.4 | 2.1 | 1.6 | 2.8 | 2.7 |
No (%) | 97.9 | 98.6 | 97.9 | 98.4 | 97.2 | 97.3 |